package com.team.sion.service;

import com.team.sion.pojo.Singer;

import java.util.List;

public interface SingerService {
    List<Singer> findAll();

    List<Singer> findBySex(String sex);

    boolean addSinger(Singer singer);

    boolean updateSinger(Singer singer);

    boolean deleteSinger(Integer id);

    void updatePic(Integer id, String imgPic);
}
